| 摘要 |
<p>A cephem compound of the formula: …<CHEM>… wherein… R<1> is amino substituted thiazolyl which may have halogen(s),… protected amino substituted thiazolyl which may have halogen(s),… lower alkylamino substituted thiazolyl, amino substituted thiadiazolyl,… protected amino-substituted thiadiazolyl, amino substituted pyridyl,… protected amino substituted pyridyl, furyl, thiazolyl, thiadiazolyl, phenyl, or naphthyl,… R<2> is carboxy(lower)alkyl or protected carboxy(lower)alkyl,… R<3> is lower alkylthio, and… R<4> is carboxy or protected carboxy,… and pharmaceutically acceptable salts thereof, and processes for their preparation, and also a pharmaceutical composition comprising, as an active ingredient, the above compound or its pharmaceutically acceptable salt. …<??>The invention also relates to intermediate compounds.</p> |
